Khloe posted a photo that hearkens back to the couple's wedding back in 1991 and features all eight children shared between the two at the time, aside from Kendall and Kylie Jenner who were not yet born. Young Kourtney, Kim, Khloe and Rob Kardashianplus Bruce's kids Burt, Casey, Brandon and Brody Jenner are all included in the pic, wearing matching tuxes and white dresses with flower headpieces.

Donning an off-the-shoulder white wedding dress and choker necklace, the future momager beamed with happiness while standing proudly behind Bruce, who wore a light pink bow tie along with his tux. Celebrating her mother and stepfather, Khloe captioned the pic: "Happy anniversary to my mommy and my 2nd daddy!! I love you guys! 23 years and 10 kids later.”

Credit: Ron Galella, Ltd./WireImage.com

Kim also showed her support and posted two throwback pics. In one, Bruce and Kris rock swimsuits while sitting closely on the beach back in 1993 and in another, captioned "#vintage", the former couple don matching leather get-ups at a charity event in 1994 at Harley Davidson.

Credit: Ron Galella, Ltd./WireImage.com

The throwback pics are just the latest proof of the couple's post-split closeness. While returning from the clan's latest family vacay in Thailand earlier this month, the former Olympian, 64, and Jenner, 58, held hands and smiled as they made their way through LAX.

The couple documented their decision to separate on their E! reality series Keeping Up With The Kardashians and revealed exclusively to Us back in October 2013 despite "living apart … there is no animosity. We are united and committed to our family."